C-Tec BF562 24V EN54-4 Switch Mode PSU
Summary
The C-TEC BF562 Series represents a powerful range of 24V switch mode/digital hybrid power supply units specifically designed for fire alarm system applications. Certified to EN54-4/A2 by both the LPCB and VdS, these PSUs deliver reliable power for critical fire safety equipment including beam detectors, auto-dial communicators, aspirating smoke detectors, and auxiliary sounder systems.
Available in three output ratings (1.5A, 3A, and 5A), the BF562 Series offers exceptional flexibility through user customisation via the BF423 configurator, allowing installers to optimise parameters such as battery charge rates, impedance limits, and input/output settings to suit specific application requirements. Each unit features comprehensive monitoring capabilities, multiple fault indicators, and intelligent battery management to ensure optimal system performance and extended battery life.
Housed in a robust metal enclosure with textured RAL7035 finish, these PSUs are built for indoor applications and include essential safety features such as plastic covers protecting against contact with live parts. The units also comply with EN50131-6 grades 1-4 for security applications, making them suitable for dual-purpose installations.
Features
- Certified to EN54-4/A2 by LPCB and VdS for fire alarm applications
- Powerful switch mode/digital hybrid technology for high efficiency
- User customisable parameters via BF423 configurator and PC
- Plastic cover on PSU PCB guards against touching live parts
- Single-pole volt-free changeover relay for fault condition switching
- Multiple indicators including supply present, general fault, fault type and auxiliary equipment fault
- Two selectable battery charge currents for flexible battery management
- Optimisable battery fault impedance limits to extend battery life
- Mains fail simulation mode for testing purposes
- Improved on-board temperature sensor with optional remote sensor capability
- Electronic functions comply with EN50131-6 grades 1-4 for security applications
- Bi-directional data port for extracting comprehensive system status information
- Comprehensive battery fault monitoring compliant with EN54-4/A2
- Available in encased PCB versions (BF562-1/E, BF562-3/E, BF562-5/E)
- Metal construction with textured finish for durability
FAQ
What applications are the BF562 Series PSUs suitable for?
The BF562 Series is ideal for powering beam detectors, auto-dial communicators, aspirating smoke detectors, auto-open vent systems, auxiliary sounder systems, or any other device performing a mandatory function of a fire alarm system.
Can the PSU parameters be customised?
Yes, the BF562 Series can be customised using a BF423 configurator and PC. Configurable parameters include float voltage temperature compensation, battery charge rate, battery impedance, and input/output settings. However, any parameter changes are outside the scope of EN54-4 certification and must be tested by the responsible person.
What do the different LED flash patterns indicate?
The PSU status LED indicates various conditions: 1 flash = Mains Failure, 2 flashes = Battery Voltage Low, 3 flashes = Battery Voltage Critical, 4 flashes = Charger Failure, 5 flashes = Charger OK, 6 flashes = No Batteries Fitted, 7 flashes = Battery Resistance Fault, 8 flashes = Output Over Voltage.
What battery types and sizes are supported?
The BF562 Series supports 12V VRLA batteries. The BF562-1 supports 2Ah to 17Ah batteries, the BF562-3 supports 2.5Ah to 17Ah batteries, and the BF562-5 supports 4Ah to 17Ah batteries. Yucel Y Series batteries (7Ah-17Ah) are specifically approved for the 3A and 5A models.
Is data extraction possible from these PSUs?
Yes, data can be extracted from the bi-directional data port including thermistor measurements, battery terminal voltage, system voltage, charge current, load current, battery impedance, and ASCII status messages. This requires additional equipment and permissions from C-TEC.
Specifications
- Approvals/Certifications: Certified to EN54-4/A2 by LPCB & VdS
- Mains Supply: 230V 50/60Hz
- Mains Rated Current: 400mA r.m.s. (BF562-1), 0.8A r.m.s. (BF562-3), 1.3A r.m.s. (BF562-5)
- Output Current: 1.5A max (BF562-1), 3A max (BF562-3), 5A max (BF562-5)
- Output Voltage: 24V DC regulated
- Battery Charge Capacity: 2-17Ah (BF562-1), 2.5-17Ah (BF562-3), 4-17Ah (BF562-5)
- Maximum Battery Size: 2 x 12V 17Ah VRLA
- Indicators: 3 external (Supply Present – green, General Fault – amber, Auxiliary Fault – amber), 2 internal (Hazardous Voltages Present – red, PSU Status – amber)
- Product Dimensions: 404W x 404H x 110D mm
- Construction And Finish: Metal lid and base, RAL7035 textured
- IP Rating: IP30 (indoor use only)
- Weight: 5kg (without batteries)
- Operating Temperature: -5°C to +40°C
- Maximum Relative Humidity: 95%
- Connections: Mains Input (CONN1), Supply Output (CONN3), Battery Input (CONN3), Fault Relay (CONN4), Charge Off Input (CONN5)
- Expansion Connections: Remote thermistor via PL3 terminals
- Customisation: Via BF423 configurator – float voltage temperature compensation, battery charge rate, battery impedance, configurable I/O settings
Additional information
| Weight | 5 kg |
|---|---|
| Output | 1.5A, 3A, 5A |
| Device Type | |
| Battery Charging | Yes |
| Maximum Batteries | 2x 17Ah |
